39910840

素因数分解:

$2^3\times 5^1\times {\mathrm{137}}^1\times {\mathrm{7283}}^1$

素因数の和:7431

約数の個数: 32

約数和(自身を含む): 90467280

約数和(自身を除く): 50556440

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 137, 274, 548, 685, 1096, 1370, 2740, 5480, 7283, 14566, 29132, 36415, 58264, 72830, 145660, 291320, 997771, 1995542, 3991084, 4988855, 7982168, 9977710, 19955420, 39910840]

約数ペア:

[(1, 39910840), (2, 19955420), (4, 9977710), (5, 7982168), (8, 4988855), (10, 3991084), (20, 1995542), (40, 997771), (137, 291320), (274, 145660), (548, 72830), (685, 58264), (1096, 36415), (1370, 29132), (2740, 14566), (5480, 7283)]